Insomnia and Generalized Anxiety Disorder Insomnia and anxiety
Conditions
Interventions
The intervention is a cognitive behavioural and circadian therapy for insomnia (CGCT-I), consisting of 5 modules over approximately 5–8 weeks.Module 1: Psychoeducation about sleep and insomnia, and th
Sponsors
Nederlands Herseninstituut
Eligibility
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: Insomnia Severity Index (ISI) [Bastien, 2001] score = 10,Generalized Anxiety Disorder (GAD-7) [Spitzer, 2006] score =10,Between 18 and 45 years of ageSelf-considered capability of completing online questionnaires and diaries in Dutch.
Exclusion criteria
Exclusion criteria: People that have undergone cognitive behavioral therapy for insomnia (CBT-I) in the past three months or are currently receiving CBT-I (single question)Current diagnosis with bipolar or psychotic disorder (single question).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary outcome is the severity of anxiety symptoms, measured with the GAD-7 questionnaire. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary outcome measures are:Changes in depressive symptom severity, measured with the PHQ-9. Baseline characteristics that predict which participants show short-term (up to 2 months) and long-term (10–12 months) clinical improvement.The extent to which clinical improvements are explained by changes in sleep and circadian rhythms, including subjective and objective sleep measures and the overnight regulation of emotional distress. | — |
Countries
Netherlands
Contacts
Public ContactJ.E. Reesen
Nederlands Herseninstituut
Outcome results
None listed